coherence between R82 and other cpu or hardware modules

Hi,

 

There are two questions about coherence between R82 and others  as:

 

 R82 only with a ACE5-LITE interface

  1. If R82 works with other 4 independent cpus  with caches in a system to visit sharable memory, could you tell me how to do to maintain the coherence among them?

 

  1. If R82 works with other 4 hardware modules  without caches in a system to visit sharable memory, could you tell me how to do to maintain the coherence among them?
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